| 摘要 |
A device exerting a protective action against fluid seepages in electrical switches and the like comprises an annular seal (9a, 9b, 9c, 9d) perimetrically integral with an external box-shaped body (5) of a switch and operating on a border (4a) of a shaped opening (3) formed on the front in a support wall (4) into which the switch is to be engaged. The device further comprises sealing means between the operating push button (8) and a guide collar (15) for said push button provided in a switch. <IMAGE>
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